Having trouble opening PDF files? Try right-clicking, then save to disk or directory. Get the free Acrobat PDF Reader from this link:
Also, your Acrobat Reader may not be configured properly:
From Acrobat Reader:
1. Select Edit/Preferences/Internet [in pre ver. 6, Options].
2. Disable the entry: "Allow fast web view".
3. Save the changes and reopen the web browser. Now the PDF is displayed.